var socket;
var sumCase = 0;
if(typeof(WebSocket) == "undefined") {
    console.log("您的浏览器不支持WebSocket");
}else{
    console.log("您的浏览器支持WebSocket");
    //实现化WebSocket对象，指定要连接的服务器地址与端口  建立连接
    //等同于socket = new WebSocket("ws://localhost:8083/checkcentersys/websocket/20");
    var wsUrl = "wss://"+ window.location.host+"/antifake/websocket/4,"+$("#factoryIds").val();
    socket = new WebSocket(wsUrl);
    //打开事件
    socket.onopen = function() {
        console.log("Socket 已打开");
        //socket.send("这是来自客户端的消息" + location.href + new Date());
    };
    //获得消息事件
    socket.onmessage = function(msg) {
        var myobj=eval(msg.data);
        // 指定图表的配置项和数据
        if(sumCase !=myobj[0].sumCase){
            rotatex();
            sumCase = myobj[0].sumCase;
            $("#number").html(myobj[0].sumCase);
        }

    };
    //关闭事件
    socket.onclose = function() {
        console.log("Socket已关闭");
    };
    //发生了错误事件
    socket.onerror = function() {
        alert("Socket发生了错误");
        //此时可以尝试刷新页面
    }
}